Chongqing Construction Engineering Group Co.Ltd(600939) on February 14, it disclosed the announcement of abnormal fluctuations in stock trading, which said that through the company's self-examination, the company's current production and operation activities are normal, and the daily operation has not changed significantly. Recently, the company has not found any media reports or market rumors that may have a significant impact on the trading price of the company's shares that need to be clarified or responded. In the construction industry where the company is located, the construction period of general projects is relatively long, and there is a certain lag in the completion, acceptance, audit and final accounts of the project. Therefore, the balance of accounts receivable of the company is large, the turnover speed of accounts receivable is slow, and there is a certain risk of accounts receivable recovery. As of September 30, 2021, the total value of the company's accounts receivable and contract assets accounted for 47.65% of the total assets of the current period.